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apf: handle error from PollImmediateUntil

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We should not attempt creation of mandatory objects if ensuring
the suggested configuration resulted in an error.
We rely on the presence of the "exempt" priority level configuration
object in the cluster to indicate whether we should ensure
suggested configuration.
This commit is contained in:
Abu Kashem 2021-03-15 11:48:17 -04:00
parent 980b79c857
commit b776109427
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GPG Key ID: 33A4FA7088DB68A9
1 changed files with 13 additions and 2 deletions
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13
pkg/registry/flowcontrol/rest/storage_flowcontrol.go
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@ -105,7 +105,7 @@ func (p RESTStorageProvider) PostStartHook() (string, genericapiserver.PostStart
flowcontrolClientSet := flowcontrolclient.NewForConfigOrDie(hookContext.LoopbackClientConfig)
go func() {
const retryCreatingSuggestedSettingsInterval = time.Second
_ = wait.PollImmediateUntil(
err := wait.PollImmediateUntil(
retryCreatingSuggestedSettingsInterval,
func() (bool, error) {
should, err := shouldEnsureSuggested(flowcontrolClientSet)
@ -127,6 +127,17 @@ func (p RESTStorageProvider) PostStartHook() (string, genericapiserver.PostStart
return true, nil
},
hookContext.StopCh)
if err != nil {
klog.ErrorS(err, "Ensuring suggested configuration failed")
// We should not attempt creation of mandatory objects if ensuring the suggested
// configuration resulted in an error.
// This only happens when the stop channel is closed.
// We rely on the presence of the "exempt" priority level configuration object in the cluster
// to indicate whether we should ensure suggested configuration.
return
}
const retryCreatingMandatorySettingsInterval = time.Minute
_ = wait.PollImmediateUntil(
retryCreatingMandatorySettingsInterval,